{{ incident.slack_channel_id }}
will rename the Slack channel of the triggering incident.{{ parent_incident.slack_channel_id }}
can be used for sub incidents and it will rename the Slack channel of the parent incident.incident-{{ incident.started_at | date: '%Y%m%d' }}-{{ incident.title }}
will rename the Slack channel to match the updated incident title. It will still maintain the #incident-20231119-<new-incident-title>
format.